The newest wave of COVID-19 infections and reinfections, fueled by more transmissible subvariants of the omicron strain, including BA.4 and BA.5, continues to grow across the US, the UK, many European countries and Brazil. Host Marco Werman speaks with Ulrich Elling, a molecular biologist and research group leader at the Institute of Molecular Biotechnology of the Austrian Academy of Sciences, about the rise in cases and how to make practical use of the news as people travel and take a break from their routines.